{"created":"2023-05-15T12:05:07.959414+00:00","id":9750,"links":{},"metadata":{"_buckets":{"deposit":"4c58429f-bcec-4176-848d-0e5ef0c6496e"},"_deposit":{"created_by":3,"id":"9750","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"9750"},"status":"published"},"_oai":{"id":"oai:iwate-u.repo.nii.ac.jp:00009750","sets":["1515:1519"]},"author_link":["60601","60602","60606","60605","60604","60603"],"item_16_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2009-01-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageEnd":"83","bibliographicPageStart":"71","bibliographicVolumeNumber":"J92-A","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌 A"}]}]},"item_16_date_6":{"attribute_name":"登録日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2009-09-01"}]},"item_16_description_12":{"attribute_name":"Abstract","attribute_value_mlt":[{"subitem_description":"スピーカの高調波ひずみ率は，スピーカを正弦波信号で駆動した際の基本波成 分に対する高調波成分のパワー比から求められる．そのため，通常は無響室 内にスピーカを設置しFFTを用いたスペクトル解析により信号パワーを求める 方法で測定される．本論文では，スピーカの高調波ひずみ率の測定に適応フィル タを用いることにより，従来のスペクトル解析に比べてより少ない計算量で測 定可能な方法を提案し，無響室での測定実験によりスペクトル解析法と同等に 正確な測定が可能であることを示す．また，適応フィルタを用いて正弦波信号 を推定する際の収束特性の類似性を利用し，二つの適応フィルタを用いて基本成 分，高調波成分を同時に推定することにより，フィルタ出力が収束途中でも正確か つより短時間で高調波ひずみ率が測定可能であることを示す．","subitem_description_type":"Other"}]},"item_16_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"60604","nameIdentifierScheme":"WEKO"}],"names":[{"name":"FUJIOKA, Toyota"}]},{"nameIdentifiers":[{"nameIdentifier":"60605","nameIdentifierScheme":"WEKO"}],"names":[{"name":"NAGATA, Yoshifumi"}]},{"nameIdentifiers":[{"nameIdentifier":"60606","nameIdentifierScheme":"WEKO"}],"names":[{"name":"ABE, Masato"}]}]},"item_16_publisher_14":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"社団法人電子情報通信学会"}]},"item_16_rights_18":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"copyright©2009 IEICE"}]},"item_16_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0913-5707","subitem_source_identifier_type":"ISSN"}]},"item_16_text_4":{"attribute_name":"著者(機関)","attribute_value_mlt":[{"subitem_text_value":"岩手大学工学部"}]},"item_16_version_type_27":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"藤岡, 豊太"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"永田, 仁史"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"安倍, 正人"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2016-11-14"}],"displaytype":"detail","filename":"ieicea-vj92-an2p71-83.pdf","filesize":[{"value":"1.7 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"ieicea-vj92-an2p71-83.pdf","url":"https://iwate-u.repo.nii.ac.jp/record/9750/files/ieicea-vj92-an2p71-83.pdf"},"version_id":"acd7510c-704c-451e-925f-759d1e2c5113"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"スピーカ","subitem_subject_scheme":"Other"},{"subitem_subject":"高調波ひずみ","subitem_subject_scheme":"Other"},{"subitem_subject":"ひずみ率測定","subitem_subject_scheme":"Other"},{"subitem_subject":"適応フィルタ","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"適応フィルタを用いたスピーカの高調波ひずみ率測定システムと実時間実験による性能評価","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"適応フィルタを用いたスピーカの高調波ひずみ率測定システムと実時間実験による性能評価"}]},"item_type_id":"16","owner":"3","path":["1519"],"pubdate":{"attribute_name":"公開日","attribute_value":"2009-09-01"},"publish_date":"2009-09-01","publish_status":"0","recid":"9750","relation_version_is_last":true,"title":["適応フィルタを用いたスピーカの高調波ひずみ率測定システムと実時間実験による性能評価"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-05-16T11:59:03.170847+00:00"}